Mod. : 5176
ATR 42 Model : 400/500
GPS
LIMITATIONS
GLOBAL POSITIONING SYSTEM
P 1
NOV 00
270
2.01
.
07
GPS
1 - GENERAL
The Honeywell/Trimble GNSS 1000 :
-complies with TSO C 129 and TSO C 115B,
- is installed in compliance with FAA AC 20-129, AC 20-130A, AC 20-138 and
DGAC CRI S-9902,
-has been demonstrated to meet the requirements of JAA TGL n
°
2, REV1 and FAA
AC 20-138 and FAA Notice N8110-60.
2 - LIMITATIONS
Compliance with the above regulations does not constitute an operational
approval/authorization to conduct operations. Aircraft operators must apply to their
Authority for such an approval authorization.
-The HT 1000 pilot's guide must be available on board.
-The system must operate with HT 1000-060 software version or any later approved
version.
-The system must be used with an updated active data base and the waypoints
position must be cross-checked with official charts.
-This equipment is approved for use as :
- primary navigation means for oceanic and remote operations when only one long
range navigation system is required.
- supplemental navigation means, en route, in terminal area and for non precision
approach operations until the missed approach point with respect of the MDA.
NOTE : Stand alone GPS approach is not approved. Conventional means must
be permanently cross-checked during the approach.
- advisory VNAV means.
NOTE : VDEV function must be permanently monitored.
3 - PROCEDURES
-In the event of DGR alarm illumination the flight crew must cross-check the aircraft
position using conventional means or must revert to an alternative means of
navigation.
-In addition, where the coupled DME option is not installed or if the coupled DME is
not operative, the following procedures apply for B-RNAV operations :
(a) during the pre-flight planning phase, the availability of GPS integrity (RAIM)
must be confirmed for the intended flight (route and time). Dispatch must not be
made in the event of predicted continuous loss of RAIM of more than 5 minutes for
any part of the intended flight.
(b) Traditional navigation equipment must be selected to available aids so as to
allow immediate cross-checking or reversion in the event of loss of GPS
navigation capability.
AA
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